1. L.E. Kinsler, A.R. Frey, A.B. Coppens, J.V. Sanders, Fundamentals of Acoustics, 4th edn. (Wiley, New York, 2000)
2. D. Stansfield, Underwater Electroacoustic Transducers (Bath University Press, Bath, UK, 1991)
3. R.S. Woollett, Sonar Transducer Fundamentals (Naval Undersea Warfare Center, Newport, Rhode Island, Undated)
4. P.M. Morse, Vibration and Sound, 2nd edn. (McGraw-Hill, New York, 1948)
5. F.V. Hunt, Electroacoustics (Wiley, New York, 1954)